I enjoy it, too. There is no reason at all why like-minded individuals of various backgrounds can't come together and discuss some really engaging, meaningful material that all can relate to, and form their own "think tank".
I have a few more of these "odd" technological concepts that I still wish to introduce for everyone's consideration. I'll prepare a small summary with some links to various references and websites sometime this evening.
I would be keen to read everyone's thoughts, positive or negative, including those of our resident engineers. It won't necessarily concern anything of a conspiratorial nature, just concepts and ideas that were ignored by a society "that has always done things the same way" and couldn't see the advantages of switching.
While building some new engine or carburetor is out of the question for 99% of us, some of these smaller innovations can easily be constructed and tested in the garage, then usefully applied to one's daily life.